[Devis1957]

The water leak is fairly common, especially if you check this forum. I have a post titled "Another Water Leak". It seems that most of the leaks originate around the cab lights and can be fixed fairly easy with some RTV. I had a bad leak and in addition to the cab lights, the roof seam above the front passenger door was lifted just enough to let water in. The dealer made a shoddy repair, looks like hell, but after driving 600 miles, mostly in the rain this weekend, the leak appears to be gone. Working the quality control issues directly with Hummer. It took a year to get mine fixed and am looking for a repurchase or minimum lifetime warranty on the repairs.

This should be covered under the 36,000 mile warranty, but water leaks will not be covered under the extended warranty unless it was uncovered as an issue during the first 36,000 miles.

Hope this all helps.